2、 The smell of death and decay hung over the town.
城市上空彌漫著死亡和腐爛的氣息。
1、 In zones of increased turbulence, the planes’ wakes will decay more quickly and the effect will diminish.
在湍流增加的區域，飛機的尾跡會衰減得更快，影響也會減弱。
常見考點例句：
But a new us study in nature suggests the genetic decay has all but ended .
但是一項發表在自然雜志中的美國最新研究表明，遺傳衰變幾乎完全結束。
With radioactivity , if you give me a single atom of uranium , I can tell you it will eventually decay .
就放射性現象來說，你如果給我一個鈾原子，我可以告訴你它最終會衰變。
The higgs should occasionally decay into a pair of photons , which would produce a bump in the photon-pair energy distribution .
偶爾，玻色子會衰變為一對光子，光子糾纏對能量分布不均可能產生效應。
A variety of chemical batteries have been tried , as well as inductive recharging schemes and even plutonium power cells that convert the heat from radioactive decay into electricity .
他們試過各種化學電池和感應充電方法，甚至用了可將放射性衰變產生的熱能轉化為電能的钚能量電池。
But planetary scientists reckon both may have subsurface oceans , kept liquid by a combination of radioactive decay and tidal heating from saturn and jupiter , their respective parent planets .